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EU EN 12Ni14 承压钢锻件 - 第3部分:规定低温性能的镍钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 12Ni14 / 12 Ni 14
Category Grade Standard Region/Area Standard Content
Metals 12 Ni 14 EN 10222-3 EU 承压钢锻件 - 第3部分:规定低温性能的镍钢

Chemical composition(mass fraction)(wt.%) of the 12 Ni 14

Element Min Max Similar
Cu - 0.3000 -
Ni 3.2500 3.7500 -
P - 0.0250 -
S - 0.0200 -
Mn 0.3000 0.8000 -
Si 0.1500 0.3500 -
C - 0.1500 -
Cu - 0.3000 -
V - 0.0500 -
Ni 3.2500 3.7500 -
P - 0.0250 -
S - 0.0100 -
Mn 0.3000 0.8000 -
Si 0.1500 0.3500 -
C - 0.1500 -
V - 0.0500 -
Ni 3.2500 3.7500 -
P - 0.0200 -
S - 0.0100 -
Mn 0.3000 0.8000 -
Si - 0.3500 -
C - 0.1500 -
V - 0.0500 -
Si - 0.3500 -
S - 0.0100 -
P - 0.0200 -
Ni 3.2500 3.7500 -
Mn 0.3000 0.8000 -
Cu - 0.3000 -
C - 0.1500 -

Mechanical Properties of steel grade 12 Ni 14

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
335 (≥) 237 (≥) 32 32 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 443

Physical Properties of steel grade 12 Ni 14

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
11 - -     0.34 -  
336 969 - 43.3 443   -  
538 - 41 13.2   443 131

Heat Treatment of steel grade 12 Ni 14

Heat treated : 1199°C - 1999°C

Technological Curves of steel grade 12 Ni 14

Cross Reference Table (Equivalent Grade) of 12 Ni 14

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